40044634 has 8 divisors (see below), whose sum is σ = 68647968. Its totient is φ = 17161980.

The previous prime is 40044629. The next prime is 40044677. The reversal of 40044634 is 43644004.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 40044599 and 40044608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1430152 + ... + 1430179.

It is an arithmetic number, because the mean of its divisors is an integer number (8580996).

Almost surely, 2^40044634 is an apocalyptic number.

40044634 is a deficient number, since it is larger than the sum of its proper divisors (28603334).

40044634 is a wasteful number, since it uses less digits than its factorization.

40044634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860340.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 40044634 is about 6328.0829640579. The cubic root of 40044634 is about 342.1223471614.

Adding to 40044634 its reverse (43644004), we get a palindrome (83688638).

The spelling of 40044634 in words is "forty million, forty-four thousand, six hundred thirty-four".